Watch List notes:

RUSSIA: 150 Roubles [1979 (l)] in platinum (0,999) part of the 1980 Olympics set with national Arms that divide CCCP with value below. Roman chariot racers on reverse. Inside slab by NGC "PF 70 ULTRA CAMEO / MOSCOW OLYMPICS / CHARIOT RACE". Cert number: 5785987-005. (Y 176).